add grunt-embed
important typo
remove html5shiv

(already done in modernizr)
fix bug in embed config
vendorize es5 shim (pending usemin v2.0)
add grunt-modernizr, refactor generator prompts
correct placement of apache SSIs in body
formatting
fix jshint error
remove old readme file
use gist version of parseSpreadsheetKey helper
Merge pull request #10 from callumlocke/ig-job

grunt-modernizr and other changes